lavc: Move vector_fmul_window to AVFloatDSPContext

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/libavutil/float_dsp.h b/libavutil/float_dsp.h
index 41b73c5b26..d0ceaaf5e1 100644
--- a/libavutil/float_dsp.h
+++ b/libavutil/float_dsp.h
@@ -81,6 +81,25 @@ typedef struct AVFloatDSPContext {
      */
     void (*vector_dmul_scalar)(double *dst, const double *src, double mul,
                                int len);
+
+    /**
+     * Overlap/add with window function.
+     * Used primarily by MDCT-based audio codecs.
+     * Source and destination vectors must overlap exactly or not at all.
+     *
+     * @param dst  result vector
+     *             constraints: 16-byte aligned
+     * @param src0 first source vector
+     *             constraints: 16-byte aligned
+     * @param src1 second source vector
+     *             constraints: 16-byte aligned
+     * @param win  half-window vector
+     *             constraints: 16-byte aligned
+     * @param len  length of vector
+     *             constraints: multiple of 4
+     */
+    void (*vector_fmul_window)(float *dst, const float *src0,
+                               const float *src1, const float *win, int len);
 } AVFloatDSPContext;
 
 /**